package day01;

public class runnian {
	public static void main(String[] args) {
		int a;
		a=Integer.parseInt(args[0]);
		if (a%400==0)
			System.out.println(a+"年是闰年");
		else if(a%4==0&&a%100!=0)
			System.out.println(a+"年是闰年");
		else
			System.out.println(a+"年不是闰年");
	}

}
